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Webpage for Calculus:
Recent questions tagged calculus
0
votes
0
answers
301
ISI2017-MMA-16
Let $(x_n)$ be a sequence of real numbers such that the subsequences $(x_{2n})$ and $(x_{3n})$ converge to limits $K$ and $L$ respectively. Then $(x_n)$ always converges if $K=L$, then $(x_n)$ converges $(x_n)$ may not converge, but $K=L$ it is possible to have $K \neq L$
Let $(x_n)$ be a sequence of real numbers such that the subsequences $(x_{2n})$ and $(x_{3n})$ converge to limits $K$ and $L$ respectively. Then$(x_n)$ always convergesif...
go_editor
452
views
go_editor
asked
Sep 15, 2018
Calculus
isi2017-mma
engineering-mathematics
calculus
limits
+
–
0
votes
0
answers
302
S is increasing function or not?
Consider the following statements. S1: f(x) = x5 + 3x - 1 is an increasing function for all values of x. S2: f(x) = 1-x3-x9 is decreasing function for all values of x where x 0. Which of the above statements are TRUE. A-S1 only B-S2 only C-Both S1 and S2 D-Neither S1 nor S2
Consider the following statements. S1: f(x) = x5 + 3x - 1 is an increasing function for all values of x. S2: f(x) = 1-x3-x9 is decreasing function for all values of x whe...
bts1jimin
410
views
bts1jimin
asked
Sep 15, 2018
Mathematical Logic
engineering-mathematics
functions
calculus
+
–
0
votes
0
answers
303
ISI2016-MMA-5
Let $ f(x, y) = \begin{cases} \dfrac{x^2y}{x^4+y^2}, & \text{ if } (x, y) \neq (0, 0) \\ 0 & \text{ if } (x, y) = (0, 0) \end{cases}$ Then $\lim_{(x, y) \rightarrow (0,0)}$f(x,y)$ equals $0$ equals $1$ equals $2$ does not exist
Let $ f(x, y) = \begin{cases} \dfrac{x^2y}{x^4+y^2}, & \text{ if } (x, y) \neq (0, 0) \\ 0 & \text{ if } (x, y) = (0, 0) \end{cases}$Then $\lim_{(x, y) \rightarrow (0,0)}...
go_editor
439
views
go_editor
asked
Sep 13, 2018
Calculus
isi2016-mmamma
calculus
limits
non-gate
+
–
2
votes
2
answers
304
ISI2016-MMA-8
Let $g: \mathbb{R} \rightarrow \mathbb{R}$ be differentiable with $g'(x^2)=x^3$ for all $x>0$ and $g(1) =1$. Then $g(4)$ equals $64/5$ $32/5$ $37/5$ $67/5$
Let $g: \mathbb{R} \rightarrow \mathbb{R}$ be differentiable with $g'(x^2)=x^3$ for all $x>0$ and $g(1) =1$. Then $g(4)$ equals$64/5$$32/5$$37/5$$67/5$
go_editor
873
views
go_editor
asked
Sep 13, 2018
Calculus
isi2016-mmamma
calculus
differentiation
+
–
2
votes
1
answer
305
ISI2016-MMA-20
Let $f : (0, \infty) \rightarrow (0, \infty)$ be a strictly decreasing function. Consider $h(x) = \dfrac{f(\frac{x}{1+x})}{1+f(\frac{x}{1+x})}$. Which one of the following is always true? $h$ is strictly decreasing $h$ is strictly increasing $h$ is strictly decreasing at first and then strictly increasing $h$ is strictly increasing at first and then strictly decreasing
Let $f : (0, \infty) \rightarrow (0, \infty)$ be a strictly decreasing function. Consider $h(x) = \dfrac{f(\frac{x}{1+x})}{1+f(\frac{x}{1+x})}$. Which one of the followin...
go_editor
430
views
go_editor
asked
Sep 13, 2018
Calculus
isi2016-mmamma
calculus
functions
non-gate
+
–
0
votes
0
answers
306
ISI2016-MMA-23
Given that $\int_{-\infty}^{\infty} e^{-x^2/2} dx = \sqrt{2 \pi}$, what is the value of $\int_{- \infty}^{\infty} \mid x \mid ^{-1/2} e^{- \mid x \mid} dx$? $0$ $\sqrt{\pi}$ $2 \sqrt{\pi}$ $\infty$
Given that $\int_{-\infty}^{\infty} e^{-x^2/2} dx = \sqrt{2 \pi}$, what is the value of $\int_{- \infty}^{\infty} \mid x \mid ^{-1/2} e^{- \mid x \mid} dx$?$0$$\sqrt{\pi}...
go_editor
442
views
go_editor
asked
Sep 13, 2018
Calculus
isi2016-mmamma
calculus
integration
definite-integral
+
–
0
votes
1
answer
307
ISI2016-MMA-24
Let $f: \mathbb{R} \rightarrow \mathbb{R}$ be a strictly increasing function. Then which one the following is always true? The limits $\lim_{x \rightarrow a+} f(x) $ and $\lim_{x \rightarrow a-} f(x)$ exist for all real numbers $a$ If $f$ is differentiable at $a$ then ... such that $f(x)<B$ for all real $x$ There cannot be any real number $L$ such that $f(x)>L$ for all real $x$
Let $f: \mathbb{R} \rightarrow \mathbb{R}$ be a strictly increasing function. Then which one the following is always true?The limits $\lim_{x \rightarrow a+} f(x) $ and $...
go_editor
494
views
go_editor
asked
Sep 13, 2018
Calculus
isi2016-mmamma
calculus
continuity
differentiation
limits
+
–
2
votes
3
answers
308
ISI2016-MMA-27
Consider the function $f(x) = \dfrac{e^{- \mid x \mid}}{\text{max}\{e^x, e^{-x}\}}, \: \: x \in \mathbb{R}$. Then $f$ is not continuous at some points $f$ is continuous everywhere, but not differentiable anywhere $f$ is continuous everywhere, but not differentiable at exactly one point $f$ is differentiable everywhere
Consider the function $f(x) = \dfrac{e^{- \mid x \mid}}{\text{max}\{e^x, e^{-x}\}}, \: \: x \in \mathbb{R}$. Then$f$ is not continuous at some points$f$ is continuous eve...
go_editor
545
views
go_editor
asked
Sep 13, 2018
Calculus
isi2016-mmamma
calculus
continuity
differentiation
+
–
1
votes
1
answer
309
NIELIT2017 STA-set-c-119
The function $f(x)=\frac{x^2 -1}{x-1}$ at $x=1$ is: Continuous and Differentiable Continuous but not Differentiable Differentiable but not Continuous Neither Continuous nor Differentiable
The function $f(x)=\frac{x^2 -1}{x-1}$ at $x=1$ is:Continuous and Differentiable Continuous but not DifferentiableDifferentiable but not ContinuousNeither Continuous nor ...
habedo007
1.4k
views
habedo007
asked
Aug 30, 2018
Calculus
nielit-july-2017
engineering-mathematics
calculus
continuity
+
–
0
votes
1
answer
310
MadeEasy Test Series: Calculus - Functions
The number of ways possible to form injective function from set A to set B where |A| = 3 and |B| = 5 such that $p^{th}$ element of set A cannot match with $p^{th}$ element of set B are _________. My Attempt: The solution ... 3 elements in Set B, considering that function has to be injective, so total ways must be 3. What should be the correct way?
The number of ways possible to form injective function from set A to set B where |A| = 3 and |B| = 5 such that $p^{th}$ element of set A cannot match with $p^{th}$ elemen...
Ayush Upadhyaya
974
views
Ayush Upadhyaya
asked
Jul 21, 2018
Calculus
made-easy-test-series
calculus
functions
+
–
1
votes
1
answer
311
MadeEasy Test Series: Calculus - Functions
Consider the following function $f(x)=\frac{x}{2x+1} , \, x\not= -\frac{1}{2}$ ... is defined on $R \rightarrow R-\{ \frac{1}{2} \}$, then it will be a bijection. Please let me know what's correct?
Consider the following function$f(x)=\frac{x}{2x+1} , \, x\not= -\frac{1}{2}$Is the function a bijection?Yes, this is a one-to-one function.For onto, let's suppose functi...
Ayush Upadhyaya
389
views
Ayush Upadhyaya
asked
Jul 20, 2018
Calculus
made-easy-test-series
calculus
functions
+
–
1
votes
1
answer
312
Finding Maxima Minima
The greatest value of the function f(x) = 2 sin x + sin 2x on the interval [ 0,3pi/2 ] is ____
The greatest value of the function f(x) = 2 sin x + sin 2x on the interval [ 0,3pi/2 ] is ____
srestha
1.1k
views
srestha
asked
Jul 19, 2018
Calculus
engineering-mathematics
maxima-minima
calculus
+
–
0
votes
1
answer
313
Calculus-Self Doubt
Is the function $f(x)=\frac{1}{x^{\frac{1}{3}}}$ continous in the interval [-1 0) ?
Is the function $f(x)=\frac{1}{x^{\frac{1}{3}}}$ continous in the interval [-1 0) ?
Ayush Upadhyaya
698
views
Ayush Upadhyaya
asked
Jul 17, 2018
Calculus
engineering-mathematics
calculus
continuity
+
–
0
votes
0
answers
314
Differentiable
Why is a function not differentiable at x=k when f'(x) limits to infinity? Limit can be infinite too?
Why is a function not differentiable at x=k when f'(x) limits to infinity? Limit can be infinite too?
bts
392
views
bts
asked
Jun 25, 2018
Mathematical Logic
calculus
differentiation
continuity
engineering-mathematics
+
–
0
votes
1
answer
315
Derivative
What is the derivative of the following function at x=0? F(x)= x ^(1/3)
What is the derivative of the following function at x=0?F(x)= x ^(1/3)
bts
504
views
bts
asked
Jun 25, 2018
Mathematical Logic
engineering-mathematics
calculus
+
–
1
votes
1
answer
316
Definite Integral
$\displaystyle S = \int_{0}^{2\pi } \sqrt{4\cos^{2}t +\sin^{2}t} \, \, dt$ Please explain how to solve it.
$\displaystyle S = \int_{0}^{2\pi } \sqrt{4\cos^{2}t +\sin^{2}t} \, \, dt$Please explain how to solve it.
ankitgupta.1729
945
views
ankitgupta.1729
asked
Jun 11, 2018
Calculus
calculus
integration
engineering-mathematics
integrals
+
–
1
votes
1
answer
317
Limit
Puzzle $\lim_{y\rightarrow \alpha }\left (y-\left ( y^{2}+y \right )^{\frac{1}{2}}\right )$
Puzzle$\lim_{y\rightarrow \alpha }\left (y-\left ( y^{2}+y \right )^{\frac{1}{2}}\right )$
srestha
714
views
srestha
asked
May 30, 2018
Calculus
limits
calculus
engineering-mathematics
+
–
0
votes
0
answers
318
Limits
$\displaystyle\lim_{x \to 0} \left[ \dfrac{log(1+x)}{x} \right] ^{\dfrac{1}{x}} $
$\displaystyle\lim_{x \to 0} \left[ \dfrac{log(1+x)}{x} \right] ^{\dfrac{1}{x}} $
Nymeria
387
views
Nymeria
asked
May 29, 2018
Mathematical Logic
engineering-mathematics
calculus
limits
+
–
2
votes
2
answers
319
Limit
Is answer will be 1 or 5? $\lim_{x\rightarrow \alpha }\left ( \frac{x+6}{x+1} \right )^{x+4}$
Is answer will be 1 or 5?$\lim_{x\rightarrow \alpha }\left ( \frac{x+6}{x+1} \right )^{x+4}$
srestha
1.0k
views
srestha
asked
May 26, 2018
Calculus
limits
calculus
engineering-mathematics
+
–
0
votes
1
answer
320
Regarding Preparation
I know this question has been asked many times, but yeah. I am weak in calculus and linear algebra and have never studied probability properly. Now according to internet suggestions, I should read Kreyzig or BS Grewal, but I will most probably want ... time for GATE 2019 should i watch lectures of Gilbert Strang, Stats 110 and calculus textbook, or should i stick to kreyzig?
I know this question has been asked many times, but yeah. I am weak in calculus and linear algebra and have never studied probability properly. Now according to internet ...
mohitjarvissharma
601
views
mohitjarvissharma
asked
May 11, 2018
Calculus
engineering-mathematics
calculus
linear-algebra
probability
preparation
+
–
1
votes
1
answer
321
IIT M MS Question
Since given increasing,so $N'(t)>0$ but what will be $N''(t)$ for the slow rate part?
Since given increasing,so $N'(t)>0$ but what will be $N''(t)$ for the slow rate part?
Sourajit25
463
views
Sourajit25
asked
May 7, 2018
Calculus
calculus
maxima-minima
functions
+
–
1
votes
2
answers
322
How Ans. A is correct
At x = 0, the function f(x)=|x| has (A) a minimum (B) a maximum (C) a point of inflection (D) neither a maximum nor minimum
At x = 0, the function f(x)=|x| has(A) a minimum(B) a maximum(C) a point of inflection(D) neither a maximum nor minimum
Karan Dodwani
1.0k
views
Karan Dodwani
asked
May 6, 2018
Calculus
maxima-minima
engineering-mathematics
calculus
usergate2019
usermod
+
–
0
votes
1
answer
323
Mean Value Theorem ( Lagrange's), How to take Domain in this type of questions?)
Find a point on the graph of y=x3(cube) where the tangent is parallel to the chord joining (1,1) and (3,27).
Find a point on the graph of y=x3(cube) where the tangent is parallel to the chord joining (1,1) and (3,27).
Karan Dodwani
851
views
Karan Dodwani
asked
Apr 29, 2018
Calculus
mean-value-theorem
engineering-mathematics
calculus
lagranges
+
–
0
votes
3
answers
324
Integration
$\int \left ( \sin\theta \right )^{\frac{1}{2}}d\theta$
$\int \left ( \sin\theta \right )^{\frac{1}{2}}d\theta$
srestha
614
views
srestha
asked
Apr 24, 2018
Calculus
calculus
integration
+
–
0
votes
0
answers
325
ISI2017-MMA-25
For $a,b \in \mathbb{R}$ and $b > a$ , the maximum possible value of the integral $\int_{a}^{b}(7x-x^{2}-10)dx$ is $\frac{7}{2}\\$ $\frac{9}{2}\\$ $\frac{11}{2}\\$ none of these
For $a,b \in \mathbb{R}$ and $b a$ , the maximum possible value of the integral $\int_{a}^{b}(7x-x^{2}-10)dx$ is$\frac{7}{2}\\$$\frac{9}{2}\\$$\frac{11}{2}\\$none of the...
Tesla!
1.2k
views
Tesla!
asked
Apr 24, 2018
Calculus
isi2017-mma
engineering-mathematics
calculus
integration
+
–
0
votes
0
answers
326
Calculus Integration
$I=\int_{3}^{7}((x-3)(7-x))^{\frac{1}{4}}dx$
$I=\int_{3}^{7}((x-3)(7-x))^{\frac{1}{4}}dx$
kd.....
314
views
kd.....
asked
Apr 24, 2018
Calculus
engineering-mathematics
calculus
integration
+
–
0
votes
1
answer
327
ISI-2017-MMA-16
Let $(x_n)$ be a sequence of a real number such that the subsequence $(x_{2n})$ and $(x_{3n})$ converge to limit $K$ and $L$ respectively. Then $(x_n)$ always converge If $K=L$ then $(x_n)$ converge $(x_n)$ may not converge but $K=L$ it is possible to have $K \neq L$
Let $(x_n)$ be a sequence of a real number such that the subsequence $(x_{2n})$ and $(x_{3n})$ converge to limit $K$ and $L$ respectively. Then$(x_n)$ always convergeIf $...
Tesla!
765
views
Tesla!
asked
Apr 24, 2018
Calculus
isi2017
calculus
engineering-mathematics
non-gate
convergence
+
–
5
votes
3
answers
328
ISI2017-MMA-1
The area lying in the first quadrant and bounded by the circle $x^{2}+y^{2}=4$ and the lines $x= 0$ and $x=1$ is given by $\frac{\pi}{3}+\frac{\sqrt{3}}{2}$ $\frac{\pi}{6}+\frac{\sqrt{3}}{4}$ $\frac{\pi}{3}-\frac{\sqrt{3}}{2}$ $\frac{\pi}{6}+\frac{\sqrt{3}}{2}$
The area lying in the first quadrant and bounded by the circle $x^{2}+y^{2}=4$ and the lines $x= 0$ and $x=1$ is given by$\frac{\pi}{3}+\frac{\sqrt{3}}{2}$$\frac{\pi}{6}+...
Tesla!
1.8k
views
Tesla!
asked
Apr 23, 2018
Calculus
isi2017-mma
engineering-mathematics
calculus
area-under-the-curve
+
–
3
votes
3
answers
329
ISRO2018-15
The domain of the function $\log (\log \sin(x))$ is: $0<x<$\pi$ $2n$\pi$<$x$<$(2n+1)$\pi$, for $n$ in $N$ Empty set None of the above
The domain of the function $\log (\log \sin(x))$ is:$0<x<$$\pi$$2n$$\pi$$<$$x$$<$$(2n+1)$$\pi$, for $n$ in $N$Empty setNone of the above
Arjun
5.4k
views
Arjun
asked
Apr 22, 2018
Calculus
isro2018
calculus
functions
+
–
0
votes
1
answer
330
Maths calculus
a)π/√2 B) √π/2 C) π/2 D)√(π/2
a)π/√2 B) √π/2C) π/2 D)√(π/2
Prince Sindhiya
975
views
Prince Sindhiya
asked
Apr 11, 2018
Calculus
engineering-mathematics
calculus
+
–
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